// content="text/plain; charset=utf-8"
require_once 'jpgraph/jpgraph.php';
require_once 'jpgraph/jpgraph_matrix.php';
require_once 'jpgraph/jpgraph_plotline.php';
$data = array(array(0, null, 2, 3, 4, 5, 6, 7, 8, 9, 10, 8, 6, 4, 2), array(10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 8, 5, 9, 2), array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 2, 4, 5, 7), array(10, 9, 8, 17, 6, 5, 4, 3, 2, 1, 0, 8, 6, 4, 2), array(0, 1, 2, 3, 4, 4, 9, 7, 8, 9, 10, 3, 2, 7, 2), array(8, 1, 2, 3, 4, 8, 3, 7, 8, 9, 10, 5, 3, 9, 1), array(10, 3, 5, 7, 6, 5, 4, 3, 12, 1, 0, 6, 5, 10, 2), array(10, 9, 8, 7, 6, 5, 4, 3, 2, 1, NULL, 8, 6, 4, 2));
$nx = count($data[0]);
$ny = count($data);
for ($i = 0; $i < $nx; ++$i) {
$collabels[$i] = sprintf('column label: %02d', $i);
}
for ($i = 0; $i < $ny; ++$i) {
$rowlabels[$i] = sprintf('row label: %02d', $i);
}
// Setup a nasic matrix graph
$graph = new MatrixGraph(400, 350);
$graph->SetBackgroundGradient('lightsteelblue:0.8', 'lightsteelblue:0.3');
$graph->title->Set('Matrix with lines');
$graph->title->SetFont(FF_ARIAL, FS_BOLD, 18);
$graph->title->SetColor('white');
// Create two lines to add as markers
$l1 = new PlotLine(VERTICAL, 5, 'lightgray:1.5', 4);
$l2 = new PlotLine(HORIZONTAL, 3, 'lightgray:1.5', 4);
// Create one matrix plot
$mp = new MatrixPlot($data, 1);
$mp->SetModuleSize(13, 15);
$mp->SetCenterPos(0.35, 0.6);
$mp->colormap->SetNullColor('gray');
// Add lines
$mp->AddLine($l1);
$mp->AddLine($l2);
// this could also be done as
